Campbell Scientific Sampler Troubleshooting

Water Sampler and Wastewater Sampler Support | Campbell Scientific Samplers Flow Pacing / Configuring 4-20 mA Input for Campbell Scientific Water Samplers Learn how to program Campbell Scientific vacuum water sampler to use a 4-20 mA input for pacing and timed-step sampling sequence. Programming the PVS, CVS or BVS sampler controller via keypad to accept 4-20 mA inputs. https://youtu.be/ILu3tGY7SHU Flow Pacing, Pulses per sample calculation and Wiring Examples for Flow Meter or other 4-20 mA input: Campbell Scientific Vacuum Sampler Troubleshooting How to troubleshoot a water sampler that will not pull a sample into the metering chamber. Check the following: * The pinch valve for operation * The sampler chamber for leaks * The intake hose for leaks * Meter chamber lid O-ring * The pressure on intake hose with a vacuum gauge https://youtu.be/AH7LhivmdcA Campbell Scientific Sampler Controller Troubleshooting If the Campbell Scientific water sampler controller keypad is unresponsive or the display is incorrect: * Remove the sampler controller cover * Locate and press the reset button * Replace the internal battery when it measures less than 2.6 Vdc * Check the power coming into the controller. It should be 13 to 14 Vdc * Reprogram the controller if required * Change the purge time if required https://youtu.be/tM86Yn4oOdA Power Supply and Pump Troubleshooting If the Campbell Scientific Sampler Pump or Power Supply Troubleshooting: * Access the sampler power supply and pump * Check the voltage in and out * Check for pump leaks * Determine if pump electrical brushes and wiring need to be replaced * Locate the pump diaphragm and determine if it needs to be replaced https://youtu.be/0kVkoZrbKfg Manuals Campbell Scientific CVS4200 and BVS4300 Sampler Manual Campbell Scientific PVS5120 Sampler Manual